Rank	Countries/Territories	Count	Percent
1	United States	199	30.5%
2	China	196	30%
3	Germany	71	10.9%
4	Korea, Republic of	27	4.1%
5	Japan	21	3.2%
6	France	15	2.3%
7	Czech Republic	14	2.1%
8	Sweden	10	1.5%
9	India	7	1.1%
10	Ireland	7	1.1%
11	Singapore	6	0.9%
12	Taiwan	6	0.9%
13	Netherlands	6	0.9%
14	Italy	5	0.8%
15	Hong Kong	5	0.8%
16	Iran, Islamic Republic of	4	0.6%
17	Australia	4	0.6%
18	Canada	4	0.6%
19	Saudi Arabia	4	0.6%
20	Poland	4	0.6%
21	Spain	4	0.6%
22	Turkey	3	0.5%
23	United Kingdom	3	0.5%
24	Belgium	3	0.5%
25	Austria	3	0.5%
26	Colombia	3	0.5%
27	Cyprus	3	0.5%
28	Denmark	2	0.3%
29	Bangladesh	2	0.3%
30	Iraq	2	0.3%
31	Greece	2	0.3%
32	Switzerland	2	0.3%
33	Portugal	2	0.3%
34	Mongolia	2	0.3%
35	Norway	1	0.2%
36	Pakistan	1	0.2%